/*-----------------------------------------------------------------------------
	The contents of this file are subject to the Mozilla Public License
	Version 1.1 (the "License"); you may not use this file except in
	compliance with the License. You may obtain a copy of the License at
	http://www.mozilla.org/MPL/
	
	Software distributed under the License is distributed on an "AS IS"
	basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
	License for the specific language governing rights and limitations
	under the License.
	
	The Original Code is Fever Framework code.
	
	The Initial Developer of the Original Code is Romain Ecarnot.
	Portions created by Initial Developer are Copyright (C) 2006
	the Initial Developer. All Rights Reserved.
	
	Contributor(s):
	
	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
-----------------------------------------------------------------------------*/

import com.bourre.events.StringEvent;
import com.bourre.utils.ClassUtils;

import fever.app.browser.analytic.AnalyticStrategy;
import fever.exception.IllegalAccessException;
import fever.Fever;
import fever.utils.StringUtil;

/**
 * Abstract implementation for {@link fever.app.browser.analytic.AnalyticStrategy} 
 * classes.
 * 
 * @author Romain Ecarnot
 */
class fever.app.browser.analytic.strategy.AbstractAnalyticStrategy 
	implements AnalyticStrategy 
{
	//-------------------------------------------------------------------------
	// Public API
	//-------------------------------------------------------------------------
	
	/**
	 * Track passed-in {@code link} page.
	 */
	public function track( link : String ) : Void
	{
		if( Fever.application.isOnline() && ( link.length > 0 ) )
		{
			_track( _buildCorrectLink( link ) );
		}	
	}
	
	/**
	 * Track link which is contained in passed-in {@code event} event 
	 * structure.
	 */
	public function execute( event : StringEvent ) : Void
	{
		track( event.getString() );	
	}
	
	
	/**
	 * Returns string representation.
	 */
	public function toString() : String
	{
		return ClassUtils.getFullyQualifiedClassName( this );
	}
	
	
	//-------------------------------------------------------------------------
	// Private implementation
	//-------------------------------------------------------------------------
	
	/**
	 * Constructor.
	 */
	private function AbstractAnalyticStrategy()
	{
		
	}
	
	private function _buildCorrectLink( link : String ) : String
	{
		if( link )
		{
			link = '/' + StringUtil.trim( link, StringUtil.EMPTY_CHARS + '/' );
			link = StringUtil.replace( link, ' ', '_' );
			link = StringUtil.replace( link, 'http://', '' );
			link = StringUtil.replace( link, 'https://', '' );
		}
		else link = '';
		
		return link;
	}
	
	private function _track( link : String ) : Void
	{
		throw new IllegalAccessException( '_track() must be override in ' + this );
	}
		
}